Pinpoint Test F: Engagement Quality - Both Forward And Reverse
- Normal Operation and Fault Conditions
- Delayed/soft forward and reverse
- Check the transmission fluid level. REFER to: Transmission Fluid Level Check .
- Collect a transmission fluid sample and inspect it for signs of contamination or wear. REFER to: Preliminary Inspection .
- Carry out the transmission strategy download and the adaptive learning drive cycle. REFER to: Transmission Strategy Download . REFER to: Adaptive Learning Drive Cycle .
- Carry out the line pressure test. If line pressure is low, refer to the Line Pressure Diagnosis Chart for further diagnosis. REFER to: Special Testing Procedures .
- Harsh forward and reverse
- Carry out the transmission strategy download and the adaptive learning drive cycle. REFER to: Transmission Strategy Download . REFER to: Adaptive Learning Drive Cycle .
- Carry out the line pressure test. If line pressure is high, refer to the Line Pressure Diagnosis Chart for further diagnosis. REFER to: Special Testing Procedures .
Possible Sources
- Corrupted transmission strategy
- Low transmission fluid level
- Low or high line pressure
- Clutch fault
- Internal transmission components
- Delayed/soft forward and reverse
Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods